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Anti-aging Effects of Marine Natural Extracts against UVB-induced Damages in Human Skin Cells

UVB로 손상이 유도된 피부세포에 해양소재 추출물의 항노화 효능

  • Lee, Chan (Department of Pharmacology, School of Medicine, Keimyung University) ;
  • Jang, Jung-Hee (Department of Pharmacology, School of Medicine, Keimyung University) ;
  • Kim, Bo-Ae (Division of Biomedicinal Chemistry & Cosmetics, College of Science & Technology, Mokwon University) ;
  • Park, Chan-Ik (Department of Cosmeceutical Science, Daegu Haany University)
  • 이찬 (계명대학교 의과대학 약리학교실) ;
  • 장정희 (계명대학교 의과대학 약리학교실) ;
  • 김보애 (목원대학교 테크노과학대학 생의약화장품학부) ;
  • 박찬익 (대구한의대학교 화장품약리학과)
  • Received : 2012.05.20
  • Accepted : 2012.09.19
  • Published : 2012.09.30

Abstract

The skin is continuously exposed to environmental stresses. One of the most important stress factor is UV radiation. UV radiation causes a variety of biological effects on the skin, including inflammation, pigmentation, photoaging and cancer. Therefore in this study, we tried to search for skin-protective antioxidant materials from marine natural products (Porphyra Thalli, Laminariae japonicae thallus, Ostreae Concha, Sargassum Thallus, Undaria thallus, Haliotidis Concha, Agar, Codium thalli, Hizikia fusiforme thalli; HFE, Thalli) which exhibit protective activities against UVB-induced cytotoxicity and oxidative cell death and antiaging effects. As a results, UVB-induced cytotoxicity and cell death were effectively suppressed by treatment of Sargassum Thallus, Agar, Haliotidis Concha, Codium thalli, Thalli ethanol extracts. UVB-induced cell death was mediated by intracellular accumulation or ROS, which was significantly inhibited by treatment with marine natural products extracts. Also, The protective effect of these marine natural products seemed to be mediated by increased expression of type I collagen and Type I procollagen. These results suggest that marine natural products may have anti-aging effects new functional materials against oxidative stress-mediated skin damages.

피부는 끊임없이 외부환경에 노출되며 가장 주요한 스트레스 요인 중 하나는 자외선방사이다. 자외선 방사로 인하여 피부에 염증, 착색, 광노화 및 피부암을 포함하는 생물학적 영향을 끼치게 된다. 본 연구에서는 해양천연소재 (김, 다시마, 모려, 모자반, 미역, 석결명, 우뭇가사리, 청각, 톳, 파래)로부터 피부보호 항산화제를 조사하기 위해 자외선으로부터 기인된 세포보호 효과를 증명하였으며 세포독성, 산화에 의한 세포사멸, 항노화 효과에 대하여 평가를 실시하였다. 그 결과, 모자반, 한천, 석결명, 청각 에탄올 추출물을 처리한 군이 자외선으로 유도된 세포독성 및 세포사멸을 효과적으로 억제하는 것으로 나타났다. 또한 다른 실험에서 자외선에서 인한 세포사멸은 세포내 축적이나 ROS로부터 매개되지만 해양추출물을 처리함으로써 현저하게 감소되었다. 이러한 해양추출물의 보호효과 증가는 Type I collagen과 Type I procollagen에 의해 매개하는 것과 연관되는 것으로 사료된다. 이들의 결과는 해양추출물이 노화예방 및 항산화제로서의 우수한 특성으로 피부손상에 의한 산화적 스트레스에 대응하는 새로운 기능성 소재로서의 가능성을 가지는 것으로 평가된다.

Keywords

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